.drag-pic {
  .pic-container {
    width: 500px;
    height: 500px;
    background-color: gray;
    margin: 0 auto;
    overflow: hidden;
    position: relative;
  }

  img {
    position: absolute;
    left: 0;
    top: 0;
    max-width: 100%;
    max-height: 100%;
    cursor: pointer;
  }
}
